參數(shù)資料
型號(hào): LL4937G
廠商: Taiwan Semiconductor Co., Ltd.
英文描述: 1.0 AMP Surface Mount Glass Passivated Silicon Rectifiers
中文描述: 1.0安培表面安裝玻璃鈍化硅二極管
文件頁(yè)數(shù): 2/2頁(yè)
文件大?。?/td> 67K
代理商: LL4937G
- 479 -
FIG.1- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
50
NONINDUCTIVE
NON
INDUCTIVE
OSCILLOSCOPE
(NOTE 1)
PULSE
GENERATOR
(NOTE 2)
DUT
(+)
50Vdc
(approx)
(-)
NOTES: 1. Rise Time=7ns max. Input Impedance=
1 megohm 22pf
2. Rise Time=10ns max. Sourse Impedance=
50 ohms
(-)
(+)
10
NONINDUCTIVE
-1.0A
-0.25A
0
+0.5A
trr
1cm
SET TIME BASE FOR
5/ 10ns/ cm
RATINGS AND CHARACTERISTIC CURVES (LL4933G THRU LL4937G)
FIG.5- TYPICAL FORWARD CHARACTERISTICS
I
1.6
1.8
2.0
0.6
0.8
1.0
1.2
1.4
0.03
0.1
0.3
1
10
20
3
0.01
FORWARD VOLTAGE. (V)
Tj=25 C
Pulse Width=300 s
1% Duty Cycle
o
FIG.4- TYPICAL JUNCTION CAPACITANCE
J
1
10
100
20
10
1
REVERSE VOLTAGE. (V)
Tj=25 C
0
f=1 MHz
Vsig=50mVp-p
FIG.6- TYPICAL REVERSE CHARACTERISTICS
I
0
20
40
60
80
100
120
140
0.1
1
10
100
PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
TJ=25 C
0
TJ=100 C
0
FIG.2- MAXIMUM FORWARD CURRENT DERATING
CURVE
A
C
25
0
50
75
100
125
150
175
0.4
0
0.2
0.6
0.8
1.0
AMBIENT TEMPERATURE. ( C)
FIG.3- MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
P
1
2
4
10
20
60 80
6
8
40
100
20
10
0
30
NUMBER OF CYCLES AT 60Hz
8.3ms Single Half Sine Wave
JEDEC Method
P.C.B. MONTED ON 0.2X0.2"
(5.0X5.0mm)COPPER AREAS PADS
TJ=75 C
0
1.0 CYCLE
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